LF364002_MNL - Overfill Protection SIS Management Manual

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Local Fuel PLC – The Shoreham Oil Terminal
SIS Management of Functional Safety – Safety Plan
P & I Design Ltd DOCUMENT NO:LP364004_RPT
2 Reed Street, Thornaby, UK, TS17 7AF ISSUE: C DATE: 27.05.15
Tel: + 44 (0)1642 617444 PAGE 15 OF 28
Fax: + 44 (0)1642 616447
11 FUNCTIONAL SAFETY ASSESSMENT – STAGE 2
Stage 2 - After the SIS has been designed
11.1 Functional Safety Assessment Stage 2 Requirements
Lifecycle
phase in
Figure 1
Activity
10 Functional Safety Assessment Stage 2
Objectives Inputs Outputs Deliverables
Responsible persons
and or organisations
To investigate and arrive at
a judgement on the
functional safety achieved
by the SIS.
Planning for SIS
functional safety
assessment
SRS
Design Manual
PFD & SIL
Verification
Calculations
Results of SIS
functional safety
assessment
Functional Safety
Assessment
Stage 2
Document
Functional Safety
Manager
FSA Chairperson
FSA Team
Functional Safety Assessment
Proposed Agenda:
The FSA will address the following as a minimum:
 The recommendations and actions arising from the Stage 1 FSA have been resolved and completed;
 That project design change procedures are in place and properly implemented.
 The SIS is designed in accordance with the SRS, any differences to be identified and resolved.
 Plans or strategies for implementing further FSA’s are in place.
11.2 Functional Safety Assessment Stage 2 Action History
Activity History – Terminal in Texaco/Chevron/Valero ownership
Date Reference Description
A Functional Safety Assessment Stage 2 was not conducted.